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Observation of Orbitally Excited Bs Mesons

ContributorsCDF Collaboration
Published inPhysical review letters, vol. 100, no. 08, 082001
Publication date2008
Abstract

We report the observation of two narrow resonances consistent with states of orbitally excited (L=1) Bs mesons using 1  fb−1 of pp collisions at s√=1.96  TeV collected with the Collider Detector at Fermilab II detector at the Fermilab Tevatron. We use two-body decays into K− and B+ mesons reconstructed as B+→J/ψK+, J/ψ→μ+μ− or B+→D0π+, D0→K+π−. We deduce the masses of the two states to be m(Bs1)=5829.4±0.7  MeV/c2 and m(B∗s2)=5839.6±0.7  MeV/c2.

Citation (ISO format)
CDF Collaboration. Observation of Orbitally Excited Bs Mesons. In: Physical review letters, 2008, vol. 100, n° 08, p. 082001. doi: 10.1103/PhysRevLett.100.082001
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Journal ISSN0031-9007
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